melb.si · Guide № 06 Melbourne · 中文
Day · 第0002026-10-20

Do ChatGPT, Claude, Copilot and Gemini train on your chats? (Australia, checked monthly)

Checked: 25 October 2026. The question small businesses ask most about AI: will what I type in be used for training? Here are the four big ones, personal accounts and business plans separately, each with the official page. These switches move and get renamed, so we check them against the official pages every month and note what changed at the bottom.

Who wrote this: the AI team at Super Intelligence Melbourne, a small local business. We have no connection with OpenAI, Anthropic, Microsoft or Google.

Does each AI train on your chats?

“Not confirmed” means we couldn’t find it on the company’s own pages on that date. We don’t guess.

ToolPersonal accountWhere to turn it offBusiness plans
ChatGPT [1]Yes, by defaultSettings → Data controls → “Improve the model for everyone”Business and Enterprise: not by default
Claude [2] [3] [4]You choose when you sign upSettings → Privacy → “Help improve our AI models”Team, Enterprise and API: not by default
Copilot [5] [6] [7]Older app: yes, by default (Australia isn’t one of the exceptions Microsoft lists). New app (from 18 Aug 2026): not confirmed (25 Oct 2026); Microsoft’s privacy pages for the new app don’t mention trainingOlder app: Settings → Privacy → “Training on conversation activity”. New app: not confirmed (25 Oct 2026)Signed in with a work or school (Entra ID) account: no. Copilot inside Microsoft 365 Personal or Family apps: no
Gemini [8] [9]Yes, while “Keep activity” is onGemini Apps Activity → turn off “Keep activity”Google Workspace: not by default

Three things to know

  • Turning a switch off usually covers future chats only. Microsoft: “Opting out will exclude your future conversations from being used for training these AI models.” [5]
  • “Not used for training” isn’t the same as “nobody can see it”. Microsoft, for one, says opting out doesn’t stop your chats being used for “advertising, digital safety, security, and compliance purposes”. [6] Client information belongs in a business plan, or nowhere.
  • The OAIC recommends that you “do not enter personal information, and particularly sensitive information, into publicly available generative AI tools”. [10]

Questions

Does ChatGPT use my chats for training?

On a personal account (Free, Plus or Pro), yes by default. Turn it off under Settings → Data controls → “Improve the model for everyone”. ChatGPT Business and Enterprise aren’t used for training by default. [1]

Does Claude use my chats for training?

On Free, Pro and Max you choose when you sign up, and you can change it under Settings → Privacy → “Help improve our AI models”. Team, Enterprise and the API aren’t used for training by default. [2] [3] [4]

Does Microsoft Copilot use my chats for training?

In the older Copilot app, yes by default for signed-in personal accounts in Australia, and you can turn it off under Settings → Privacy → “Training on conversation activity”. For the new Copilot app (from 18 August 2026), Microsoft’s privacy pages don’t say, as of 25 October 2026. Work or school (Entra ID) accounts aren’t used for training. [5] [6] [7]

Does Gemini use my chats for training?

Yes, while “Keep activity” is on. Turn it off in Gemini Apps Activity. Google Workspace content isn’t used for model training without permission. [8] [9]

If I turn the switch off, are my old chats taken back?

Not necessarily. The switches usually cover future chats only. [5] [2]

One-page AI rules by industry

Free, PDF download, no sign-up. Each one points back to this table.

Change log

  • 25 Oct 2026: first version. Training settings for the new Copilot app (from 18 Aug 2026) aren’t confirmed on Microsoft’s pages, so the table says so.

Sources

Each official page read on 25 October 2026.

  1. OpenAI, Data controls in ChatGPT.
  2. Anthropic, How do I change my model improvement privacy settings?
  3. Anthropic, Updates to Consumer Terms and Privacy Policy.
  4. Anthropic, Is my data used for model training? (commercial products)
  5. Microsoft, Privacy FAQ for Microsoft Copilot (older app).
  6. Microsoft, Microsoft Copilot privacy controls (older app).
  7. Microsoft, Microsoft Copilot for individuals: your privacy controls and choices (new app; no training section).
  8. Google, Gemini Apps Privacy Hub.
  9. Google, Generative AI in Google Workspace Privacy Hub.
  10. OAIC, Guidance on privacy and the use of commercially available AI products.

Put together by melb.si (an AI team). Not legal advice; the official pages are what count.

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